CN104853397A - Wireless sensor network energy consumption control and rate adjustment method - Google Patents
Wireless sensor network energy consumption control and rate adjustment method Download PDFInfo
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- CN104853397A CN104853397A CN201510209890.1A CN201510209890A CN104853397A CN 104853397 A CN104853397 A CN 104853397A CN 201510209890 A CN201510209890 A CN 201510209890A CN 104853397 A CN104853397 A CN 104853397A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims description 42
- 230000001143 conditioned effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a wireless sensor network energy consumption control and rate adjustment method. The wireless sensor network energy consumption control and rate adjustment method comprises the steps that: S1, a node Vi uploads its status information to a preset data management center, acquires status information of all nodes within a preset range from the preset data management center, and obtains a status information table including ID and corresponding status information of all nodes within the preset range; S2, the node Vi determines a communication path communicated with a target node according to position of ID of the target node and the status information table; S3, the node Vi obtains the energy consumption of the communication path according to node transmission rate, the size of a data package transmitted to the target node and the communication path after receiving a signal of sending a message to the target node; S4, and the node Vi adjusts node transmission rate according to the energy consumption of the communication path and a preset transmission rate required by normal operation of the network, so as to reduce network energy consumption.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of wireless sensor network energy consumption and control and rate adjusting method.
Background technology
Wireless sensor network (Wireless Sensor Networks, WSN) by having perception, the wireless sensor node (abbreviation node) of calculating and communication capacity forms, all nodes to be partnered many or many-to-one communication network by the mode of self-organizing, and the information collected to be jumped or the mode of multi-hop is sent to base station through one.Wireless sensor network has broad application prospects in the monitoring of high-speed railway operating environment.But because node energy is limited and change battery inconvenience etc., therefore the life cycle of node useful life and wireless sensor network governs wireless sensor network service quality to a certain extent.
Summary of the invention
Technical problem to be solved by this invention is the problem of the life cycle limited influence wireless sensor network service quality of existing node useful life and wireless sensor network.
For this purpose, the present invention proposes a kind of wireless sensor network energy consumption and controls and rate adjusting method, and described method comprises:
S1, node V
ithe state information of self is uploaded to the control data corporation preset, and the state information of all nodes in preset range is obtained from the control data corporation preset, obtain state information table, described state information table comprises the ID of all nodes and the state information of correspondence in described preset range;
S2, node V
iaccording to position and the described state information table of destination node ID, determine the communication path with described destination node;
S3, node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, to the size of destination node transmission packet and described communication path, obtaining the energy ezpenditure of described communication path;
S4, node V
inormally to work required transmission rate according to the energy ezpenditure of described communication path and default network, knot modification transmission rate, to reduce network energy consumption.
Optionally, described step S2, comprising:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, and described first message is sent to described node V
i+1, to make described node V
i+1according to described first message, select next-hop node V
i+2, until described first message is sent to destination node.
Optionally, in described step S1, described state information, comprising: communication connection relation.
Optionally, in described step S2, described node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, specifically comprise:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node;
Node V
iaccording to the communication connection relation in described state information table, determine neighbor node set, described neighbor node set is node V
ithe set of next-hop node;
Node V
iwith default maximum transmission power to all node broadcasts second message in described neighbor node set, described second message comprises node ID and position coordinates;
Node V
iafter receiving the 3rd message, obtain the 3rd massage set, described 3rd message is the 3rd message that the node in neighbor node set sends, and described 3rd message comprises node ID, position coordinates and residue energy of node;
Node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1.
Optionally, described residue energy of node is obtained by following steps:
According to default primary power and data processing energy consumption, obtain residue energy of node, described residue energy of node=preset primary power-data processing energy consumption.
Optionally, described data processing energy consumption is obtained by following steps:
According to size and the node-node transmission speed of forwarding data, determine data processing duration;
According to the size of forwarding data and the energy consumption E_elec of default process kbit data, obtain the energy that forwarding data consumes, energy=(E_elec) × (size/kbit of forwarding data) that described forwarding data consumes; Wherein, k is preset value;
According to described data processing duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × data processing duration;
The energy consumed according to described forwarding data and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
Optionally, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1, specifically comprise:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd message is more than or equal to default node energy value, then according to the position coordinates in the 3rd message, by node corresponding for the 3rd message and node V
ithe shortest sensor selection problem of spacing be next-hop node V
i+1.
Optionally, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1step after, further comprising the steps of:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd massage set is less than default node energy value, then the 3rd information is sent to default control data corporation.
Optionally, described step S3, comprising:
Node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, transmit the size of packet and described communication path to destination node, calculate the data processing energy consumption of each node in described communication path, and the summation of the data processing energy consumption of each node is obtained the energy ezpenditure of described communication path.
Optionally, described data processing energy consumption is obtained by following steps:
According to size from packet to destination node and the node-node transmission speed of transmitting, determine processing data packets duration;
The size of packet and the energy consumption E_elec of default process kbit data is transmitted according to destination node, obtain the energy consumption to destination node transmission packet, described energy consumption=(E_elec) to destination node transmission packet × (size/kbit to destination node transmission packet); Wherein, k is preset value;
According to described processing data packets duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × processing data packets duration;
According to the described energy consumption to destination node transmission packet and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
Compared to prior art, wireless sensor network energy consumption of the present invention controls and rate adjusting method, can be applicable to the high-speed railway anti-disaster monitoring system based on WSN, the life cycle of node useful life and wireless sensor network is extended by adjustment transmission rate, solve node energy limited and change the problem of battery inconvenience, to improve wireless sensor network service quality.
Accompanying drawing explanation
Fig. 1 shows a kind of wireless sensor network energy consumption and controls and rate adjusting method flow chart.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present embodiment discloses a kind of wireless sensor network energy consumption and controls and rate adjusting method, and described method can comprise:
S1, node V
ithe state information of self is uploaded to the control data corporation preset, and the state information of all nodes in preset range is obtained from the control data corporation preset, obtain state information table, described state information table comprises the ID of all nodes and the state information of correspondence in described preset range;
S2, node V
iaccording to position and the described state information table of destination node ID, determine the communication path with described destination node;
S3, node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, to the size of destination node transmission packet and described communication path, obtaining the energy ezpenditure of described communication path;
S4, node V
inormally to work required transmission rate according to the energy ezpenditure of described communication path and default network, knot modification transmission rate, to reduce network energy consumption.
In the present embodiment, described step S2, comprising:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, and described first message is sent to described node V
i+1, to make described node V
i+1according to described first message, select next-hop node V
i+2, until described first message is sent to destination node.
In the present embodiment, in described step S1, described state information, comprising: communication connection relation.
In the present embodiment, in described step S2, described node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, specifically comprise:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node;
Node V
iaccording to the communication connection relation in described state information table, determine neighbor node set, described neighbor node set is node V
ithe set of next-hop node;
Node V
iwith default maximum transmission power to all node broadcasts second message in described neighbor node set, described second message comprises node ID and position coordinates;
Node V
iafter receiving the 3rd message, obtain the 3rd massage set, described 3rd message is the 3rd message that the node in neighbor node set sends, and described 3rd message comprises node ID, position coordinates and residue energy of node;
Node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1.
In the present embodiment, described residue energy of node is obtained by following steps:
According to default primary power and data processing energy consumption, obtain residue energy of node, described residue energy of node=preset primary power-data processing energy consumption.
In the present embodiment, described data processing energy consumption is obtained by following steps:
According to size and the node-node transmission speed of forwarding data, determine data processing duration;
According to the size of forwarding data and the energy consumption E_elec of default process kbit data, obtain the energy that forwarding data consumes, energy=(E_elec) × (size/kbit of forwarding data) that described forwarding data consumes; Wherein, k is preset value;
According to described data processing duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × data processing duration;
The energy consumed according to described forwarding data and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
In the present embodiment, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1, specifically comprise:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd message is more than or equal to default node energy value, then according to the position coordinates in the 3rd message, by node corresponding for the 3rd message and node V
ithe shortest sensor selection problem of spacing be next-hop node V
i+1.
In the present embodiment, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1step after, further comprising the steps of:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd massage set is less than default node energy value, then the 3rd information is sent to default control data corporation, so that control data corporation understands failure node information in time, node is safeguarded.
In the present embodiment, described step S3, comprising:
Node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, transmit the size of packet and described communication path to destination node, calculate the data processing energy consumption of each node in described communication path, and the summation of the data processing energy consumption of each node is obtained the energy ezpenditure of described communication path.
In the present embodiment, described data processing energy consumption is obtained by following steps:
According to size from packet to destination node and the node-node transmission speed of transmitting, determine processing data packets duration;
The size of packet and the energy consumption E_elec of default process kbit data is transmitted according to destination node, obtain the energy consumption to destination node transmission packet, described energy consumption=(E_elec) to destination node transmission packet × (size/kbit to destination node transmission packet); Wherein, k is preset value;
According to described processing data packets duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × processing data packets duration;
According to the described energy consumption to destination node transmission packet and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
The power consumption issues of the wireless sensor network that the wireless sensor network energy consumption in embodiment controls and rate adjusting method forms for the limited sensor node solved entrained by self and node energy consumption problem, belong to wireless sensor network control technology field.By controlling wireless sensor network node transmission rate, while making whole wireless sensor network keep connected state in regulation jumping figure scope (the jumping figure scope that namely wireless sensor network is default), make wireless sensor network energy consumption minimum.This energy consumption control system not only can be used for controlling the energy consumption of wireless sensor network, the checking of wireless sensor network protocols algorithm and improvement, node deployment design, also can be used as future service quality and carry out online evaluation, there is good popularizing application prospect.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.
Claims (10)
1. wireless sensor network energy consumption controls and a rate adjusting method, and it is characterized in that, described method comprises:
S1, node V
ithe state information of self is uploaded to the control data corporation preset, and the state information of all nodes in preset range is obtained from the control data corporation preset, obtain state information table, described state information table comprises the ID of all nodes and the state information of correspondence in described preset range;
S2, node V
iaccording to position and the described state information table of destination node ID, determine the communication path with described destination node;
S3, node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, to the size of destination node transmission packet and described communication path, obtaining the energy ezpenditure of described communication path;
S4, node V
inormally to work required transmission rate according to the energy ezpenditure of described communication path and default network, knot modification transmission rate, to reduce network energy consumption.
2. method according to claim 1, is characterized in that, described step S2, comprising:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, and described first message is sent to described node V
i+1, to make described node V
i+1according to described first message, select next-hop node V
i+2, until described first message is sent to destination node.
3. method as claimed in claim 2, it is characterized in that, in described step S1, described state information, comprising: communication connection relation.
4. method according to claim 3, is characterized in that, in described step S2, and described node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node, and according to described state information table, select next-hop node V
i+1, specifically comprise:
Node V
iafter the signal receiving transmission first message, from described first message, obtain the ID of destination node;
Node V
iaccording to the communication connection relation in described state information table, determine neighbor node set, described neighbor node set is node V
ithe set of next-hop node;
Node V
iwith default maximum transmission power to all node broadcasts second message in described neighbor node set, described second message comprises node ID and position coordinates;
Node V
iafter receiving the 3rd message, obtain the 3rd massage set, described 3rd message is the 3rd message that the node in neighbor node set sends, and described 3rd message comprises node ID, position coordinates and residue energy of node;
Node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1.
5. method according to claim 4, is characterized in that, described residue energy of node is obtained by following steps:
According to default primary power and data processing energy consumption, obtain residue energy of node, described residue energy of node=preset primary power-data processing energy consumption.
6. method according to claim 5, is characterized in that, described data processing energy consumption is obtained by following steps:
According to size and the node-node transmission speed of forwarding data, determine data processing duration;
According to the size of forwarding data and the energy consumption E_elec of default process kbit data, obtain the energy that forwarding data consumes, energy=(E_elec) × (size/kbit of forwarding data) that described forwarding data consumes; Wherein, k is preset value;
According to described data processing duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × data processing duration;
The energy consumed according to described forwarding data and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
7. method according to claim 4, is characterized in that, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1, specifically comprise:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd message is more than or equal to default node energy value, then according to the position coordinates in the 3rd message, by node corresponding for the 3rd message and node V
ithe shortest sensor selection problem of spacing be next-hop node V
i+1.
8. method according to claim 7, is characterized in that, described node V
iaccording to described 3rd massage set, be next-hop node V by the sensor selection problem meeting the 3rd pre-conditioned message corresponding
i+1step after, further comprising the steps of:
Node V
icheck the residue energy of node in described 3rd massage set, after determining that the residue energy of node in described 3rd massage set is less than default node energy value, then the 3rd information is sent to default control data corporation.
9. method as claimed in claim 2, it is characterized in that, described step S3, comprising:
Node V
ireceiving to after described destination node sends the signal of message, according to node-node transmission speed, transmit the size of packet and described communication path to destination node, calculate the data processing energy consumption of each node in described communication path, and the summation of the data processing energy consumption of each node is obtained the energy ezpenditure of described communication path.
10. method according to claim 9, is characterized in that, described data processing energy consumption is obtained by following steps:
According to size from packet to destination node and the node-node transmission speed of transmitting, determine processing data packets duration;
The size of packet and the energy consumption E_elec of default process kbit data is transmitted according to destination node, obtain the energy consumption to destination node transmission packet, described energy consumption=(E_elec) to destination node transmission packet × (size/kbit to destination node transmission packet); Wherein, k is preset value;
According to described processing data packets duration, amplifier power amplifier energy consumption E_amp in the default unit interval, be amplified device power amplifier energy consumption, described amplifier power amplifier energy consumption=(E_amp) × processing data packets duration;
According to the described energy consumption to destination node transmission packet and described amplifier power amplifier energy consumption, obtain data processing energy consumption.
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